JLPT N2 grammar
〜ものなら: meaning and usage
Meaning
A can't be done; but if it could; then B
How to form it
- verb (potential form)ものなら/もんなら
How it is used
Supposes something unlikely: 'if I could possibly A', followed by a wish (「〜たい」) or a dare (「やれるものならやってみろ」). With the volitional form, 「〜ようものなら」 means 'if you dare A, something bad will follow'.
Examples
彼女と会えるものなら、 ぜひ会いに行きたい。
If I could, I'd really want to go see her.
戻れるものなら、学生時代に戻りたい。
If I could go back, I'd love to return to my student days.
一人でできるものなら、やってみなさい。
Go ahead and do it on your own — if you can.